Finalize new issue templates

Author: paescuj

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -1,17 +1,14 @@
 name: Bug Report
 description: File a bug report
 body:
-  - type: markdown
-    attributes:
-      value: |
-        Thank you for taking the time to fill out this bug report!
-        Before you get started, please ensure there's [no existing issue](https://github.com/open-cli-tools/concurrently/issues) with the same concern!
   - type: textarea
     attributes:
-      label: Describe the Bug
+      label: Describe the bug
       value: |
         <!--
 
+        >> Before getting started, please ensure there's no existing issue with the same concern!
+
         Please provide the following information:
 
         - Description: Clear and concise description of what the bug is

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1 @@
+blank_issues_enabled: false

.github/ISSUE_TEMPLATE/feature-request.yml

@@ -1,17 +1,14 @@
 name: Feature Request
 description: Open a feature request
 body:
-  - type: markdown
-    attributes:
-      value: |
-        Thank you for taking the time to fill out this feature request!
-        Before you get started, please ensure there's [no existing issue](https://github.com/open-cli-tools/concurrently/issues) with the same concern!
   - type: textarea
     attributes:
-      label: Describe the Feature Request
+      label: Describe the feature request
       value: |
         <!--
 
+        >> Before getting started, please ensure there's no existing issue with the same concern!
+
         Please provide the following information:
 
         - Description: Clear and concise description of what you want